/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */



import java.util.PriorityQueue;
import java.util.TreeSet;
import java.util.Collections;
import java.util.Map;
import java.io.IOException;
import java.math.*;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.TreeMap;

/**
 *
 * @author robit
 */
public class TryOut{

 
    public static void main(String [] s) throws IOException{
        String str="abc";
        System.out.println(Integer.bitCount(2));
        System.out.println(Integer.highestOneBit(15));
        System.out.println(Integer.bitCount(11));
    }


}
